9. What is the best source of vitamin C in a balanced diet? A fish
B fruit
C meat
D rice

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

Which feature would you expect to find in a population in which sexual selection depends on male competition?

Can nonrenewable resources be used sustainably?